Nut File Backer

- Fits on Nut Files - Allows better grip & control of file - Faster, more accurate filing - Prevents thinner files from bending - File is secured with 4 grub screws - Narrow backer holds files up to 0.020" (0.508mm) - Wide backer holds files up to 0.056" (1.142mm) - Dimensions: 5" x 1/2" (127mm x 11mm) Gauged Nut Slotting Files are great, but the thin ones can be tough to hold. It's hard to start a slot without the file chattering or drifting off your line—one small mistake can ruin a new nut. This handy Nut File Backer acts like a spine, stiffening the file for a straighter, more accurate cut. It's much easier to hold on to: no more slipping and sliding on a slick nut or saddle. This backer also makes it easy to tell when your alignment (you need to hold the files perfectly horizontal) is just right when filing new slots. How to use: Simply slide your file into the backer, tighten the 4 hex screws, then file away!